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[Bug ld/24896] [powerpc] ld can probably drop R_PPC64_UADDR64 conversion


From: maskray at google dot com
Subject: [Bug ld/24896] [powerpc] ld can probably drop R_PPC64_UADDR64 conversion
Date: Tue, 13 Aug 2019 15:00:34 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=24896

--- Comment #1 from Fangrui Song <maskray at google dot com> ---
Thinking more. ADDR/UADDR distinction probably makes little sense.
I withdraw my proposal that teachs gas to emit UADDR.

Some ld conversion rules can probably be deleted:

Aligned R_PPC64_UADDR64 -> R_PPC64_ADDR64 is definitely not needed
Misaligned R_PPC64_ADDR64 -> R_PPC64_UADDR64 I am not clear on this one, but I
guess it probably doesn't hurt if misaligned R_PPC64_ADDR64 or R_PPC64_RELATIVE
is generated, especially on powerpc64le (defaults to -mcpu=power8)

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